Home / 56,294.80-77,677.32-35,080.72

Finding the Fourth Proportional to 56,294.80, 77,677.32 and 35,080.72

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Solution

The fourth proportional to 56,294.80, 77,677.32 and 35,080.72 is: 48,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,294.80 : 77,677.32 = 35,080.72 : x
  2. Step 2: Convert to fraction form
    56,294.80/77,677.32 = 35,080.72/x
  3. Step 3: Cross multiply
    56,294.80x = 77,677.32 × 35,080.72
  4. Step 4: Simplify right side
    56,294.80x = 2,724,976,313.27
  5. Step 5: Solve for x
    x = 2,724,976,313.27/56,294.80
  6. Step 6: Final answer
    x = 48,405.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.